command syntax

Both Linux / UNIX allows the data of a file to have more than one name in separate places in the same file system. Such a file with more than one name for the same data is called a hard-linked file. How do I create a hard link under Linux / UNIX / Apple Mac OS X / BSD operating systems?

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Q. How do I check my domain zone file for error and validity the same under BIND DNS Server version 9? A. You need to use named- checkzone command as zone file validity checking tool. It is useful for checking zone files before configuring them into a name server. named-checkzone command syntax named-checkzone {zonename} {filename} […]

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I‘m new to Linux and I’d like to know how to delete directory under any Linux distributions?

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Q. How do I clear all UNIX bash shell aliases get cleared in one command. I’ve 20 aliases sometime I just need to delete them in a current session. How do I get rid of all of them? A. You need to use unalias command/ unalias command syntax unalias name To remove alias called foo, […]

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Q. I am using vim under Ubuntu Linux and whenever I type following command: syntax on I’m getting an error which read as follows: E319: Sorry, the command is not available in this version: syntax on How do I fix this problem?

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How do I use source command under UNIX / Linux / BSD / OS X operating systems?

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How do I turn on or off color syntax highlighting in vi or vim text editor under UNIX or Linux?

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